Line data    Source code

       1             : // Copyright (C) 2011 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License
      14             : 
      15             : package com.google.gerrit.server.project;
      16             : 
      17             : import static java.util.stream.Collectors.toList;
      18             : 
      19             : import com.google.gerrit.entities.Project;
      20             : import com.google.gerrit.server.config.AllProjectsName;
      21             : import com.google.gerrit.server.permissions.PermissionBackend;
      22             : import com.google.gerrit.server.permissions.PermissionBackendException;
      23             : import com.google.gerrit.server.permissions.ProjectPermission;
      24             : import com.google.inject.Inject;
      25             : import com.google.inject.Singleton;
      26             : import java.util.HashSet;
      27             : import java.util.List;
      28             : import java.util.Optional;
      29             : import java.util.Set;
      30             : 
      31             : @Singleton
      32             : public class SuggestParentCandidates {
      33             :   private final ProjectCache projectCache;
      34             :   private final PermissionBackend permissionBackend;
      35             :   private final AllProjectsName allProjects;
      36             : 
      37             :   @Inject
      38             :   SuggestParentCandidates(
      39           1 :       ProjectCache projectCache, PermissionBackend permissionBackend, AllProjectsName allProjects) {
      40           1 :     this.projectCache = projectCache;
      41           1 :     this.permissionBackend = permissionBackend;
      42           1 :     this.allProjects = allProjects;
      43           1 :   }
      44             : 
      45             :   public List<Project.NameKey> getNameKeys() throws PermissionBackendException {
      46           0 :     return permissionBackend.currentUser().filter(ProjectPermission.ACCESS, readableParents())
      47           0 :         .stream()
      48           0 :         .sorted()
      49           0 :         .collect(toList());
      50             :   }
      51             : 
      52             :   private Set<Project.NameKey> readableParents() {
      53           0 :     Set<Project.NameKey> parents = new HashSet<>();
      54           0 :     for (Project.NameKey p : projectCache.all()) {
      55           0 :       Optional<ProjectState> ps = projectCache.get(p);
      56           0 :       if (ps.isPresent() && ps.get().statePermitsRead()) {
      57           0 :         Project.NameKey parent = ps.get().getProject().getParent();
      58           0 :         if (parent != null) {
      59           0 :           parents.add(parent);
      60             :         }
      61             :       }
      62           0 :     }
      63           0 :     parents.add(allProjects);
      64           0 :     return parents;
      65             :   }
      66             : }